MSD - Replacement Pro Cap Red, 3" terminal to terminal diameter Notes: Fits 2wd/4wd models with

Notes: Fits 2wd/4wd models with 143

Replace your old coolant temperature sensor with our Holley sensor

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MSD - Replacement Pro Cap Red, 3" terminal to terminal diameter Notes: Fits 2wd/4wd models withInside the cap there are thick vanes to help agitate the air to prevent the chance of crossfire. Stainless terminals are used for resistance to corrosion caused by ozone in the cap. The rotor is also molded out of Rynite and features a brass stainless steel rotor tip plus has a lock screw for secure mounting to the Mag's shaft.